Zobrazeno 1 - 10
of 34
pro vyhledávání: '"JERZY WÓJCIK"'
Publikováno v:
Animals, Vol 13, Iss 12, p 1956 (2023)
The aim of the present study was to compare the predictive performance of decision trees, artificial neural networks, and logistic regression used for the classification of daily body weight gains in beef calves. A total of 680 pure-breed Simmental a
Externí odkaz:
https://doaj.org/article/15089fbea6c744449d45207c6ea8721f
Autor:
Ewa Czerniawska-Piątkowska, Barbara Cioch-Szklarz, Alicja Kowalczyk, Marcjanna Wrzecińska, Jerzy Wójcik, Władysław Kordan, Jose Pedro Araujo, Joaquim L. Cerqueira, Kamil Kossakowski, Przemysław Cwynar, Piotr Sablik
Publikováno v:
Animals, Vol 13, Iss 11, p 1729 (2023)
This research sought to determine the effect of selected milk protein polymorphisms on the reproduction parameters of 598 black and white Polish Holstein–Friesian cattle. The analyzed genes were kappa-casein (CSN3) and beta-lactoglobulin (BLG). The
Externí odkaz:
https://doaj.org/article/b99cff7ae32446a4a1afbccadff4e329
Publikováno v:
Animals, Vol 12, Iss 15, p 1942 (2022)
The aims of the study were: (i) to compare survival curves for cows culled for different reasons over three successive lactations using the Kaplan–Meier estimator; (ii) to determine the effects of breeding documentation parameters on cow survival;
Externí odkaz:
https://doaj.org/article/cd77324bea954e10ae596d2bf1267d52
Autor:
Paweł Bortacki, Ryszard Kujawiak, Ewa Czerniawska-Piątkowska, Seval Sevgi Kirdar, Jerzy Wójcik, Wilhelm Grzesiak
Publikováno v:
Mljekarstvo, Vol 67, Iss 3, Pp 226-230 (2017)
The aim of this study was to compare daily yield, milk composition and somatic cell count after increasing milking frequency from twice to three times a day. The study also includes the effect of other factors such as: the sequence of lactation (1, 2
Externí odkaz:
https://doaj.org/article/dda4d36cc70248988bae0d3f68deceee
Publikováno v:
Pakistan Veterinary Journal, Vol 33, Iss 2, Pp 175-178 (2013)
Group-reared calves are usually housed in common buildings, such as calf barns of all sorts; however, there are concerns about this practice due to problems such as an increased incidence of diseases and poor performance of the calves. Group calf rea
Externí odkaz:
https://doaj.org/article/41d4ed46de86443991804ddc4cc3fc30
Autor:
Daniel Zaborski, Maria Soroko-Dubrovina, Wilhelm Grzesiak, Mirosław Parafiniuk, Andrzej Modrzejewski, Oleh Klym, Olha Stadnytska, Jerzy Wójcik
Publikováno v:
Canadian Journal of Animal Science. 102:411-419
The aim of the present study was to determine correlations between udder skin surface temperatures and milk yield and estimated composition in dairy cows. The thermographic images of 34 Polish Holstein–Friesian black-and-white cows were taken in a
Publikováno v:
Animals; Volume 13; Issue 12; Pages: 1956
The aim of the present study was to compare the predictive performance of decision trees, artificial neural networks, and logistic regression used for the classification of daily body weight gains in beef calves. A total of 680 pure-breed Simmental a
Autor:
Bernacka-Wojcik, Iwona, Lopes, Paulo, Catarina Vaz, Ana, Veigas, Bruno, Jerzy Wojcik, Pawel, Simões, Pedro, Barata, David, Fortunato, Elvira, Viana Baptista, Pedro, Águas, Hugo, Martins, Rodrigo
Publikováno v:
In Biosensors and Bioelectronics 15 October 2013 48:87-93
Autor:
Jan Korbecki, Magdalena Gąssowska-Dobrowolska, Jerzy Wójcik, Iwona Szatkowska, Katarzyna Barczak, Mikołaj Chlubek, Irena Baranowska-Bosiacka
Publikováno v:
International journal of molecular sciences. 23(8)
This review describes the role of CXCL1, a chemokine crucial in inflammation as a chemoattractant for neutrophils, in physiology and in selected major non-cancer diseases. Due to the vast amount of available information, we focus on the role CXCL1 pl
Autor:
IWONA SZATKOWSKA, MARTYNA OTRĘBA, JAN KORBECKI, EWA CZERNIAWSKA-PIĄTKOWSKA, JERZY WÓJCIK, WILHELM GRZESIAK, DANIEL ZABORSKI
Publikováno v:
Medycyna Weterynaryjna. 79:6769-2023
Coat colour in dogs is influenced by many genes and their polymorphic forms. The main coat colour pattern depends on pigment type, i.e. eumelanin or pheomelanin, whose synthesis is regulated by tyrosinase encoded by the TYRP1 gene. However, other gen